Internal Medicine
WILLIAM DERNBACH MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1255431631 · enumerated 2006-09-25 · record updated 2025-09-11. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 1000 N OAK AVE, MARSHFIELD, WI, 54449-5777 Google Maps Apple Maps OpenStreetMap
- Practice location 2727 PLAZA DRIVE, WAUSAU, WI, 54401 (715) 847-3271 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · Primary · License 18092 WI
- Internal Medicine, Gastroenterology 207RG0100X · License 18092 WI
In this directory
Locations and evidence
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Practice location
WAUSAU, WI, 54401
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.